.slider {
  .container {
    display: flex;
    img {
    }
  }
  .button {
    @size: 30px;
    width: @size;
    height: @size;
    border-radius: @size;
    background-color: rgba(255, 255, 255, 0.8);
    opacity: 0.8;
    position: absolute;
    top: 50%;
    transform: translateX(-50%) translateY(-50%);
    cursor: pointer;
    &:hover {
      opacity: 1;
    }
    &.backwardButton {
      left: @size*2;
    }
    &.forwardButton {
      right: @size*2;
    }
  }
}